mivox - 9:48 pm on Feb 11, 2002 (gmt 0)

Remove their link if they do not add a reciprocal link within 30 days.

Send them a notice when you first put up their link, letting them know that their link will be on temporary status for 30 days, and will be moved to permanaent status as soon as they provide a reciprocal link.

Send out these notices on the first of every month, make a note of who you sent them to, and on the last day of the month, delete everyone who hasn't linked back.